Ivermectin Paste for horses. FOR ANIMAL USE ONLY. Great tasting apple flavor that horses love!. Removes worms and bots with a single dose. Safe to use on all horses, including broodmares, breeding stallions and young foals. The Paste-gel is easy to administer. Comes in a convenient, easy-to-use syringe which allows for fast, fool-proof application. Each 6.08g syringe contains: ivermectin.......1.87%. For Equine use only.